Wife usually rejects her husband's desire to insert fingers into her anus. However, when her husband comes home from work early, holding an anal plug given by his boss, and pleads, "Please, I'm begging you," she reluctantly agrees. Thus begins her daily life wearing the device. As time passes, she grows accustomed to the sensation and starts experiencing pleasure herself. One day, the boss suddenly shows up and asks, "So, how's that thing I gave you working out?" Confused by his words, she finds her eyes drawn to his thick cock. Soon, she becomes completely captivated by the boss.